Date: 25 Feb 2006 12:09:51 -0800 From: "R. Frist" <rhfristnospamzon.net> Subject: Re: 9000 info display darker
There are three lamps in the electronic display unit (EDU). Its possible that one or more are burned out but usually if one is gone the lighting is uneven. The intensity of the info display is controlled by a phototransistor circuit in the clock/trip computer. If the clock/trip computer display is getting faint as well then it is most likely a defective phototransitor. It is a common complaint. I replaced mine with the only phototransitor Radio Shack stocks. It does not have quite the same specs as the original so the display is a little brighter than it should be but it still dims at night. Details on its replacement can be found with a search of the 9000 forum at www.saabnet.com. One of the posts is in my name (R. Frist). Good luck.
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